Top Definition
the soft fleshy flap o' skin that hangs down from the upper arms of old people and shimmers and shakes under the slightest movement of the rest of the body
Did you see Jagger's Biceptual Flappage on the Superbowl XL half time show?
by the jammer February 06, 2006
10 Words related to BICEPTUAL FLAPPAGE

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